On December 31, the Shanghai Stock Exchange issued a supervisory letter to Tianpu Co., Ltd., involving listed companies, directors, senior managers, controlling shareholders and actual controllers; the reason for processing was a supervisory work letter relating to Ningbo Tianpu Rubber Technology Co., Ltd.'s suspected information disclosure violation.

On December 31, the Shanghai Stock Exchange issued a supervisory letter to Tianpu Co., Ltd., involving listed companies, directors, senior managers, controlling shareholders and actual controllers; the reason for processing was a supervisory work letter relating to Ningbo Tianpu Rubber Technology Co., Ltd.'s suspected information disclosure violation.